I'm impressed - I got one from the Backstage stuff a couple of months ago but haven't used it for anything yet. I knew it was stupidly fast in a straight line, didn't really twig that of course it's a great handler too.
My normal all-round PR stunt gimmick car is the usual 1500hp AWD Mosler with no special setup, but I do also have a Diablo GTR with the Ferrari V12 swap and the completely broken weight reduction upgrade it has, because it ends up weighing something stupid like 750kg and so will take most tarmac speed zones completely flat out. A fair few of them need the acceleration of the Mosler, but for those with good run-ups and high-speed turns the Diablo can be a bit faster. The snow just hobbles both of them though.